Abstract

During the operation of the ship's power plant, the formation of oily waters is inevitable. Numerous methods and technologies used on ships do not always ensure the purification of oily waters to the amount of oil content regulated by national and international standards and requirements. In this regard, the development of a new type of installations that allow for the complete purification of oily waters from petroleum products, as well as to reduce their energy and weight and size indicators is relevant. The article presents the first results of experimental studies of the method of thermal neutralization of oily waters, consisting in their spraying in the gas outlet tract of a marine diesel engine, followed by evaporation of water and afterburning of petroleum products from the composition of oily waters with exhaust diesel gases. The research was carried out on a specially designed laboratory stand. The burner of the stand allows to obtain exhaust gases identical in composition and temperature to the exhaust gases in the flue of a marine diesel engine. A gas or liquid medium can be supplied to the flue through the nozzle. Within the framework of the described research period, the influence of the flow rate and composition of the medium supplied to the flue on the temperature at various points of the flue and the resulting composition of the exhaust gases were evaluated. The main task of this stage of the study is to determine the effect of the flow rate and composition of the medium supplied to the flue on the compliance of the gas parameters at the outlet of the installation with the standards for the content of harmful substances in the exhaust gases of marine diesel engines.

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